'use client';

import React, { useState } from 'react';
import { Button } from '@/components/ui/button';
import { signIn } from 'next-auth/react';

interface GitHubSignInButtonProps {
  redirectTo?: string;
  className?: string;
}

export default function GitHubSignInButton({
  redirectTo = '/dashboard',
  className = '',
}: GitHubSignInButtonProps) {
  const [isLoading, setIsLoading] = useState(false);

  const handleSignIn = async () => {
    try {
      setIsLoading(true);
      await signIn('github', { callbackUrl: redirectTo });
    } catch (error) {
      console.error('GitHub登录失败:', error);
      // 错误已经由ErrorBoundary处理，这里不需要额外处理
    }
  };

  return (
    <Button
      type="button"
      onClick={handleSignIn}
      disabled={isLoading}
      className={`w-full ${className}`}
      variant="outline"
    >
      {isLoading ? (
        <span className="flex items-center justify-center">
          <svg className="animate-spin -ml-1 mr-3 h-5 w-5 text-white" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
            <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
            <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
          </svg>
          处理中...
        </span>
      ) : (
        <span className="flex items-center justify-center">
          <svg viewBox="0 0 24 24" width="24" height="24" xmlns="http://www.w3.org/2000/svg" className="mr-2">
            <path
              fill="currentColor"
              d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"
            />
          </svg>
          使用GitHub登录
        </span>
      )}
    </Button>
  );
} 